42840439080 has 192 divisors, whose sum is σ = 135307411200. Its totient is φ = 10847800320.

The previous prime is 42840439049. The next prime is 42840439099. The reversal of 42840439080 is 8093404824.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6152641 + ... + 6159599.

It is an arithmetic number, because the mean of its divisors is an integer number (704726100).

Almost surely, 2^42840439080 is an apocalyptic number.

42840439080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42840439080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67653705600).

42840439080 is an abundant number, since it is smaller than the sum of its proper divisors (92466972120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42840439080 is a wasteful number, since it uses less digits than its factorization.

42840439080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7092 (or 7059 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 42.

The spelling of 42840439080 in words is "forty-two billion, eight hundred forty million, four hundred thirty-nine thousand, eighty".